Q.1. Serum acid phosphatase activity increases during

1. Carcinoma
2. Pancreatitis
3. Leukemia
4. Obstructive jaundice

Answer: (A)
Explanation: It is increased in breast cancer, prostate disease, bone cancer or metastases.

Q.2. Normal urine is

1. Neutral
2. Highly acidic
3. Slightly alkaline
4. Slightly acidic

Answer: (D)
Explanation: Urine is principally water but it contains some inorganic salts or compounds such as protein, hormones, metabolites etc,.

Q.3. Creatinine level in urine get elevated in

1. Addison’s disease
2. Hypothyroidism
3. Nephritis
4. Typhoid fever

Answer: (A)
Explanation: The normal range for creatinine is 0.6 to 1.3 mg per decilitre. Generally high level of creatinine means kidney failure.

Q.4. A component of coenzyme A is

1. Inosine
2. Thiamine
3. Pantothenic acid
4. Pyridoxine

Answer: (C)
Explanation: In all living organisms, coA is synthesised in a 5 step process that requires 4 molecules of ATP.

Q.5. The normal value for glucose in the blood is

1. 250 mg
2. 200 mg
3. 100-200 mg
4. 80-120 mg

Answer: (D)
Explanation: It is the amount of glucose present in the blood of a human or an animal.

Q.6. Hyperlipidemia is excess of

1. Cholesterol and triglycerides
2. Free fatty acid
3. Glucose
4. Ketone body

Answer: (A)
Explanation: It is sterol, a lipid molecule and is biosynthesised by all animals

Q.7. Cholesterol is a

1. Carbohydrate
2. Steroid
3. Lipid
4. Fatty acid

Answer: (B)
Explanation: it is a bile solid essential structural compound of animal cell membrane.

Q.8. The coenzyme for niacin is

1. NAD
2. TPN
3. FMN
4. All of the above

Answer: (A)
Explanation: Niacin and its derivatives are precursors of nicotinamide adenine nucleotide in this oxidation and reduction reactions.

Q.9. Which of these vitamins is a part of coenzyme?

1. Vit a
2. Vit c
3. Thiamine
4. None of the above

Answer: (A)
Explanation: It is a severe disease by the deficiency of protein in diet that contains calories mostly from carbohydrates.

Q.10. Protein deficiency is known as

1. Kavashiorkar
2. Cushings syndrome
3. Gaucher’s disease
4. None of the above

Answer: (A)
Explanation: Kavashiorkar is a disease caused due to protein deficiency.

Q.11. Cobalt is a constituent of

1. Vitamin B12
2. Haemoglobin
3. Insulin
4. Thyroid hormone

Answer: (A)
Explanation: Cobalt is also known as cobalamin.

Q.12. Xanthoprotic acid is positive in protein containing:

1. Sulphur containing amino acid
2. Alpha amino acid
3. Aromatic amino acid
4. Aliphatic amino acid

Answer: (C)

Q.13. Neutral amino acid is

1. Leucine
2. Lysine
3. Aspartic acid
4. Histidine

Answer: (A)
Explanation: Leucine is amino acid that the human body cannot synthesised.

Q.14. The major connective tissue is

1. Keratin
2. Collagen
3. Myosin
4. Melanin

Answer: (B)
Explanation: Collagen is the main component of connective tissues.

Q.15. Intercellular substance present in connective tissue is

1. Fatty in nature
2. Muco-polysaccharide
3. Protein
4. None of the above

Answer: (B)

Q.16. Quaternary structure of proteins refers to

1. Sub-unit structure
2. Amino acid sequence
3. Irregular folding of protein
4. Regular structure like alpha helix

Answer: (A)
Explanation: Quaternary structure is the arrangement of multiple folded protein.

Q.17. A keto sugar can be detected by

1. fehlings solution
2. Benedict’s solution
3. Seliwanoffs solution
4. Aniline acetate solution

Answer: (C)
Explanation: Seliwanoffs test is chemical test which distinguish between aldose and ketose sugars.

Q.18. Which of the following saccharides is not a reducing sugar

1. Sucrose
2. Lactose
3. Mannose
4. Galactose

Answer: (A)
Explanation: Sucrose is not a reducing sugar.

Q.19. Vitamin B2 ( riboflavin) is a component of

1. NAD+
2. FAD
3. TPP
4. CoA

Answer: (B)
Explanation: It is a central component of cofactors FAD and FMN and as such required for variety of flavoprotein enzyme reactions including activations of other vitamins.

Q.20. Rickets is due to deficiency of

1. Vitamin D
2. Vitamin c
3. Zinc
4. Iodine

Answer: (A)
Explanation: Vitamin D is a group of fat soluble secosteroids responsible for enhancing intestinal absorption of Ca, Fe, Mg, Zn and deficiency of these leads to rickets.

Q.21. Vitamin K deficiency results in the disorder

1. Dermatitis
2. Retarded growth
3. Color blindness
4. Defective blood clotting

Answer: (D)

Q.22. Goitre is caused by the deficiency of

1. Fluorine
2. Iodine
3. Chloride
4. Sulphide

Answer: (B)
Explanation: Iodine is very important for proper functioning of thyroid gland.

Q.23. Aldosterone regulates :

1. Blood glucose
2. Serum calcium
3. Urine concentration
4. Sodium absorption

Answer: (C)
Explanation: Aldosterone is a steroid hormone produced by the zone glomerulasa of adrenal cortex in adrenal gland.

Q.24. Invertase is

1. Vitamin
2. carbohydrate
3. Hormone
4. Enzyme

Answer: (D)
Explanation: Invertase is an enzyme that catalyse the hydrolysis of sucrose.

Q.25. Glycogenesis is the synthesis of :

1. Starch
2. Glucose
3. Glycogen
4. Glycerol

Answer: (C)
Explanation: Glycogenesis is the synthesis of glycogen.